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Calibre announces additional Eastern Borosi results

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Global Mining Review,

Calibre Mining Corp. has provided drill results and an update on the progress at its 100% owned Eastern Borosi Project (EBP) located in northeastern Nicaragua. Calibre is advancing the high-grade opencast, and underground resource veins at EBP to provide mill feed to the Libertad mill which has surplus capacity. A multi-rig resource expansion and discovery drilling programme is now underway along strike of the known vein systems.

Infill drill results highlights

Guapinol Open Pit

  • GP-21-100: 25.07 g/t gold (Au) over 9.7 m estimated true width (ETW) from 44.8 m.
  • GP-21-099: 39.21 g/t Au over 3.1 m ETW from 204.2 m.
  • GP-21-096: 24.85 g/t Au over 3.9 m ETW from 125.8 m.

Vancouver Open Pit

  • GP-21-069: 9.38 g/t Au over 2.2 m ETW from 134.5 m in the HW vein and 8.90 g/t Au over 2.3 m ETW from 150 m in the FW vein.

Riscos De Oro Underground

  • RDO-21-080: 33.64 g/t Au over 3.2 m ETW from 311.8 m.
  • RDO-21-076: 11.26 g/t Au over 2.8 m ETW from 306 m.

Darren Hall, President and CEO of Calibre, said: “Today’s infill drill results continue to demonstrate the high-grade nature of these deposits with Guapinol and Riscos de Oro delivering the best results to date. With EBP located within trucking distance of our Libertad mill, along established infrastructure, the project is poised to deliver our lowest cost ounces, again demonstrating the ability to efficiently translate satellite deposits into near term, high margin mill feed. The project is advancing ahead of our initial expectations with updated mineral resource estimates expected in 1Q22 and operating permit submissions within the next six months.

“Furthermore, we see excellent exploration potential for discovering additional high-grade vein systems across the 176 km2 EBP land package. The exploration team have begun drilling high-priority targets for further resource expansion along the Guapinol and Riscos de Oro vein trends and for the discovery of new bonanza-style gold-silver vein systems along underexplored gold trends in the district.”

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